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Comment:Switch to EXT4, Cache on its own partition/fs and added procps-ng to QEMU image
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SHA1: 353218f0f39e639be557f02d171fe87c13dedfb1
User & Date: rkeene on 2020-06-28 18:22:53
Other Links: manifest | tags
Context
2020-06-28
20:05
Do not include root directory in the cache/data fs check-in: 2d622e681b user: rkeene tags: trunk
18:22
Switch to EXT4, Cache on its own partition/fs and added procps-ng to QEMU image check-in: 353218f0f3 user: rkeene tags: trunk
04:38
Minor QEMU init updates check-in: a1fd38efc8 user: rkeene tags: trunk
Changes
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Modified build/qemu/assemble from [78cb3ad311] to [6ae3ce7f9b].

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#  3. Downloading a static Tclkit with TUAPI
#  4. Downloading a static AppFS

make init LDFLAGS=-static
cp init root/bin

rm -f appfs.img
truncate --size 512M appfs.img
truncate --size 1024M appfs.img
sfdisk --no-tell-kernel --no-reread ./appfs.img <<<'label: dos
size=16M type=83 bootable
size=239M type=83
type=83'

sudo umount x-boot || :
sudo losetup -d /dev/loop3 || :
sudo losetup --partscan /dev/loop3 $(pwd)/appfs.img
sudo chown "$(id -u):$(id -g)" /dev/loop3 /dev/loop3p1 /dev/loop3p2

sudo mke2fs \
  -L 'BOOT' \
  -N 0 \
  -O ^64bit \
  -d boot \
  -m 5 \
  -r 1 \
  -t ext2 \
  -t ext4 \
  /dev/loop3p1

sudo mke2fs \
  -L 'ROOT' \
  -N 0 \
  -O ^64bit \
  -d root \
  -m 5 \
  -r 1 \
  -t ext2 \
  -t ext4 \
  /dev/loop3p2

sudo mke2fs \
  -L 'DATA' \
  -N 0 \
  -O ^64bit \
  -d root \
  -m 5 \
  -r 1 \
  -t ext4 \
  /dev/loop3p3

mkdir x-boot || :
sudo mount /dev/loop3p1 x-boot
sudo extlinux --install $(pwd)/x-boot
sudo umount x-boot
dd if=/usr/lib/EXTLINUX/mbr.bin of=appfs.img conv=notrunc
rmdir x-boot

losetup -d /dev/loop3

Modified build/qemu/init.c from [c418f5267f] to [e11582ede8].

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	run("/bin/init-fuse", "init-fuse", NULL);

	mkdir("/etc", 0755);
	mkdir("/bin", 0755);
	mkdir("/lib", 0755);
	mkdir("/opt", 0755);
	mkdir("/opt/appfs", 0755);

	mkdir("/var", 0755);
	mkdir("/var/cache", 0755);
	mkdir("/var/cache/appfs", 0755);
	mount("/dev/vda3", "/var/cache/appfs", "ext4", 0, NULL);

	run("/bin/appfsd", "appfsd", "/var/cache/appfs", "/opt/appfs", NULL);

	symlink(".", "/usr");
	symlink("lib", "/lib64");

	symlink("/proc/self/mounts", "/etc/mtab");

	symlink("/opt/appfs/core.appfs.rkeene.org/bash/platform/latest/bin/bash", "/bin/bash");
	symlink("/opt/appfs/core.appfs.rkeene.org/coreutils/platform/latest/bin/env", "/bin/env");

	symlink("/bin/bash", "/bin/sh");

	setenv("PATH", "/bin:/opt/appfs/core.appfs.rkeene.org/coreutils/platform/latest/bin", 1);
	run("/bin/appfs-cache", "appfs-cache", "install", "-lib", "core.appfs.rkeene.org", "glibc", NULL);
	run("/bin/appfs-cache", "appfs-cache", "install", "core.appfs.rkeene.org", "coreutils", NULL);
	run("/bin/appfs-cache", "appfs-cache", "install", "core.appfs.rkeene.org", "procps-ng", NULL);
	setenv("PATH", "/bin", 1);

	run("/bin/sh", "sh", NULL);

	/*
	 * Remount root filesystem read-only
	 */
	umount("/dev");
	umount("/tmp");
	umount("/proc");
	umount("/sys");
	umount("/opt/appfs");
	umount("/var/cache/appfs");
	mount("/dev/vda2", "/", "ext4", MS_REMOUNT | MS_RDONLY, NULL);
	sync();

	return(0);
}

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